Ownership Submission
FORM 3
 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
  Lowenstein Arnold J
 2. Date of Event Requiring Statement (Month/Day/Year)
10/20/2006		 3. Issuer Name and Ticker or Trading Symbol
CRA INTERNATIONAL, INC. [CRAI]
(Last)
(First)
(Middle)
200 CLARENDON STREET, T-33		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
EVP, Chief Strategy Officer
 5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

BOSTON, MA 02116		 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4)		 2. Amount of Securities Beneficially Owned
(Instr. 4)		 3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)		 4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Stock 30,894
D
 

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)		 2. Date Exercisable and Expiration Date
(Month/Day/Year)		 3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)		 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)		 6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Incentive Stock Option (right to buy) 09/11/2000(1) 09/11/2010 Common Stock 3,331 $ 10.688 D  
Incentive Stock Option (right to buy) 05/02/2001(2) 05/02/2011 Common Stock 5,000 $ 10.85 D  
Incentive Stock Option (right to buy) 06/01/2001(3) 06/01/2011 Common Stock 21,784 $ 14.03 D  
Incentive Stock Option (right to buy) 05/30/2006 05/30/2012 Common Stock 3,750 $ 13.75 D  
Nonqualified Stock Option (right to buy) 06/05/2003(4) 06/05/2013 Common Stock 11,993 $ 22.81 D  
Incentive Stock Option (right to buy) 06/05/2003(5) 06/05/2013 Common Stock 6,507 $ 22.81 D  
Nonqualified Stock Option (right to buy) 11/25/2005 05/10/2014 Common Stock 10,000 $ 32.26 D  
Nonqualified Stock Option (right to buy) 04/01/2005(6) 04/01/2015 Common Stock 2,500 $ 50.09 D  
Incentive Stock Option (right to buy) 04/01/2005(7) 04/01/2015 Common Stock 2,500 $ 50.09 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Lowenstein Arnold J
200 CLARENDON STREET, T-33
BOSTON, MA 02116		       EVP, Chief Strategy Officer  

Signatures

Delia J. Makhlouta, by power of attorney 10/30/2006
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) Date indicated is date of grant. 831 shares vest on the second anniversary of the date of grant and 1,250 shares vest on each of the third and fourth anniversaries of the date of grant.
(2) Date indicated is date of grant. The option vests in four equal annual installments beginning on the first anniversary of the date of grant.
(3) Date indicated is date of grant. The option vests over four years, as follows: 5,208 shares vest on each of the first, second and third anniversaries of the date of grant and 6,160 shares vest on the fourth anniversary of the date of grant.
(4) Date indicated is date of grant. The option vests over four years as follows: 4,625 shares vest on each of the first and second anniversaries of the date of grant; 2,502 shares vest on the third anniversary of the date of grant and 241 shares vest on the fourth anniversary of the date of grant.
(5) Date indicated is date of grant. 2,123 shares vest on the third anniversary of the date of grant and 4,384 shares vest on the fourth anniversary of the date of grant.
(6) Date indicated is date of grant. 1,250 shares vest on each of the first and second anniversaries of the date of grant.
(7) Date indicated is date of grant. 1,250 shares vest on each of the third and fourth anniversaries of the date of grant.

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